For me personally, I do construction in Portland OR metro area and even the lowest range model would be more than enough for me to drive a trailer with thousands of pounds of tools and materials to a job site and drop it off, while still having a cheap vehicle to drive for the rest of the week.

I find fresh ground beans make all the difference. I also swear by my Cuisinart that grinds the beans for you. Just turn dial to number of cups, add water set strength.

I want to see what this does to ferrofluid... It would be cool to see how much the field collapses over distance